Monteiroa may refer to:
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''Monteiroa'' (katydid), a genus of katydids in the family
Tettigoniidae
Insects in the family (biology), family Tettigoniidae are commonly called katydids (especially in North America) or bush crickets. They have previously been known as "long-horned grasshoppers". More than 8,000 species are known. Part of the subo ...
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''Monteiroa'' (plant), a genus of plants in the family Malvaceae
{{Genus disambiguation